2213845318329 has 4 divisors (see below), whose sum is σ = 2951793757776. Its totient is φ = 1475896878884.

The previous prime is 2213845318327. The next prime is 2213845318337. The reversal of 2213845318329 is 9238135483122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2213845318329 - 2¹ = 2213845318327 is a prime.

It is a super-2 number, since 2×2213845318329² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2213845318327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368974219719 + ... + 368974219724.

It is an arithmetic number, because the mean of its divisors is an integer number (737948439444).

Almost surely, 2^{2213845318329} is an apocalyptic number.

It is an amenable number.

2213845318329 is a deficient number, since it is larger than the sum of its proper divisors (737948439447).

2213845318329 is an equidigital number, since it uses as much as digits as its factorization.

2213845318329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737948439446.

The product of its digits is 2488320, while the sum is 51.

The spelling of 2213845318329 in words is "two trillion, two hundred thirteen billion, eight hundred forty-five million, three hundred eighteen thousand, three hundred twenty-nine".